Drug interactions
Encorafenib + Formoterol-mometasone
Severity: Moderate
Encorafenib and Formoterol-mometasone: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Encorafenib can prolong the QT interval, and formoterol may also prolong QTc, particularly at high doses or with hypokalemia. Combined use may increase the risk of ventricular arrhythmias such as torsades de pointes.
What this interaction means in plain words
Encorafenib and Formoterol-mometasone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Encorafenib belongs to Oncology; Formoterol-mometasone belongs to Respiratory.
Why it happens
Additive QT interval prolongation.
What to do
Check baseline and periodic ECG and correct potassium and magnesium abnormalities. Avoid exceeding recommended formoterol doses.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Formoterol-mometasone
Other interactions of Encorafenib
Frequently asked questions
Can I take Encorafenib with Formoterol-mometasone?
MediHelp rates the interaction as moderate. Encorafenib and Formoterol-mometasone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Encorafenib can prolong the QT interval, and formoterol may also prolong QTc, particularly at high doses or with hypokalemia. Combined use may increase the risk of ventricular arrhythmias such as torsades de pointes.
How serious is the interaction between Encorafenib and Formoterol-mometasone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check baseline and periodic ECG and correct potassium and magnesium abnormalities. Avoid exceeding recommended formoterol doses.
What other medicines interact with Formoterol-mometasone?
MediHelp also lists interactions of Formoterol-mometasone with, for example, Amiodarone, Amisulpride, Amoxapine. The full list is on the Formoterol-mometasone page.
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